The University of Texas at Arlington (UTA or UT Arlington) is a public research university in Arlington, Texas, United States. It is the second oldest university in the University of Texas System and was founded in 1895. It was in the Texas A&M University System for several decades until joining the University of Texas System in 1965.

The university is classified among "R1: Doctoral Universities – Very high research activity". The fall 2024 campus enrollment consisted of 41,613 students making it the second largest university in the UT System after UT Austin, in North Texas and fifth-largest in Texas. UT Arlington is the third-largest producer of college graduates in Texas and offers over 180 baccalaureate, masters, and doctoral degree programs.

UT Arlington participates in 15 intercollegiate sports as a Division I member of the NCAA and Western Athletic Conference. UTA sports teams have been known as the Mavericks since 1971.